﻿using System;
using System.Collections.Generic;
using System.Text;

namespace 简单工厂模式_两数计算_简单工厂版
{
    internal class OperationMul : Operation
    {
        public override double GetResult()
        {
            double result = 0;
            result = NumberA * NumberB;
            return result;
        }
    }
}